B. 1/40…. You divide 1/2 by 20 to find out how much hand sanitizer was used on each desk. You can keep change flip meaning keep the 1/2 change the division to multiplication and flip the 20 to 1/20 then multiply. 1/2 by 1/20 which equals 1/40.
Tom has 26 marbles. if you need to show your work it would be 13x2= 26 and 26+13=39
0.14
There is supposed to be a bar on the top like a line but I couldn’t put it here so u can put it urself if ur writing it on paper
